Yes,Safe mode is a Windows maintenance mode where only the bare minimum of drivers are loaded. You don't have access to CD ROMs, printers, or other non-essential devices.
To get to Safe mode, press the F8 key when Windows starts to boot. You have to do this BEFORE you see the first "Windows" screen. You can start tapping away as soon as I get by the BIOS startup screen or the manufacturer's splash screen. Experiment and you'll get it.